Gaseous Exchange Multiple Choice Questions and Answers 12 PDF Book Download

Gaseous exchange MCQs, gaseous exchange quiz answers 12 to learn high school online courses. Thoracic diseases multiple choice questions (MCQs), gaseous exchange quiz questions and answers for for online school degrees. Gaseous exchange in humans, exchange of gases in humans, thoracic diseases, respiratory disorders test for high school teacher certification.

Learn high school biology multiple choice questions (MCQs): a human breath per minute is, with choices 16-20 times, 16-30 times, 15-20 times, and 15-18 times for online school degrees. Free biology study guide for online learning thoracic diseases quiz questions to attempt multiple choice questions based test.

MCQ on Gaseous Exchange Worksheets 12 PDF Book Download

MCQ: Thick muscular structure which is present below pair of lungs is called

  1. epithelial muscles
  2. diaphragm
  3. intercoastal muscles
  4. coastal muscles


MCQ: A human breath per minute is

  1. 16-30 times
  2. 16-20 times
  3. 15-20 times
  4. 15-18 times


MCQ: Percentage of respiratory disorders is high in Pakistan due to more concentration of air

  1. Chemicals
  2. Components
  3. Gases
  4. Pollution


MCQ: Kind of bronchitis in which inflammation develops in bronchi is called

  1. chronic bronchitis
  2. coastal bronchitis
  3. intercoastal bronchitis
  4. acute bronchitis


MCQ: Main goal in prevention of lung cancer is eliminating

  1. Pollutants
  2. Chemicals
  3. Tobacco smoking
  4. Harmful gases